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![Download a high-resolution (300dpi) digital image](https://webarchive.library.unt.edu/eot2008/20081103153104im_/http://www.ars.usda.gov/is/graphics/photos/downloadbutton.gif)
Image Number K8452-2 |
To determine nutrients in shallow ground water, chemist James Hill places
water in an autosampler of the flow-through colorimetric autoanalyzer.
Photo by Scott Bauer.
640 pixels wide: (k8452-2.jpg)
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Last Modified: 05/23/2006
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